Shamadavle Dadiani (also Shamandavle or Shamandavla; Georgian: შამადავლე დადიანი; died 1474) was a member of the House of Dadiani and eristavi ("duke") of Odishi (Mingrelia) in western Georgia from 1470 until his death. He succeeded his father Liparit I Dadiani and continued his predecessors' efforts to garner more autonomy as the united Kingdom of Georgia was approaching to its end.